NGC 7963 (Bubble Nebula) PopGrip t-shirt with a brightness that changes

with a brightness that changes by a factor of 750 every year and three weeks

VIIRS detects light in a range of wavelengths from green to near-infrared and uses filtering techniques to observe dim signals such as city lights

5 inches (6 centimeters) across

Hermann Brunner and the eSASS team (MPE)

It is a composite of three exposures in different wavebands

NGC 7963 (Bubble Nebula) PopGrip t-shirt with a brightness that changesFor the 26th birthday of NASA's Hubble Space Telescope, astronomer highlighter a Hubble image of an enormous bubble being blown into space by a super hot, massive star. The Hubble image of the Bubble Nebula, or NGC 7635, was chosen to mark the 26th anniversary of the launch of Hubble into Earth orbit by the STS 31 space shuttle crew on April 24, 1990. "As Hubble makes its 26th revolution around our home star, the sun, we celebrate the event with a